Re: DOCS: add helpful partitioning links

Right. Minor suggestions.

-     It is recommended to drop the now-redundant <literal>CHECK</literal>
-     constraint after the <command>ATTACH PARTITION</command> is complete.  If
-     the table being attached is itself a partitioned table, then each of its
+     As illustrated above, it is recommended to avoid this scan by creating a
+     <literal>CHECK</literal> constraint on the to be attached table that

Instead of "to be attached table", "table to be attached" reads better. You may want to add "as a partition" after that.

      Similarly, if the partitioned table has a <literal>DEFAULT</literal>
      partition, it is recommended to create a <literal>CHECK</literal>
      constraint which excludes the to-be-attached partition's constraint.  If
-     this is not done then the <literal>DEFAULT</literal> partition will be
+     this is not done, the <literal>DEFAULT</literal> partition must be

I am not sure whether replacing "will" by "must" is correct. Usually I have seen "will" being used in such sentences, "must" seems appropriate given the necessity.